30484580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217747}}^1$

素因数の和:217763

約数の個数: 24

約数和(自身を含む): 73163328

約数和(自身を除く): 42678748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217747, 435494, 870988, 1088735, 1524229, 2177470, 3048458, 4354940, 6096916, 7621145, 15242290, 30484580]

約数ペア:

[(1, 30484580), (2, 15242290), (4, 7621145), (5, 6096916), (7, 4354940), (10, 3048458), (14, 2177470), (20, 1524229), (28, 1088735), (35, 870988), (70, 435494), (140, 217747)]